| Document and Entity Information | Aug. 11, 2022 |
| Cover [Abstract] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001830232 |
| Document Type | 8-K |
| Document Period End Date | Aug. 11, 2022 |
| Entity Registrant Name | ALTIMETER GROWTH CORP. 2 |
| Entity Incorporation State Country Code | E9 |
| Entity File Number | 001-39849 |
| Entity Tax Identification Number | 95-1563924 |
| Entity Address, Address Line One | 2550 Sand Hill Road |
| Entity Address, Address Line Two | Suite 150 |
| Entity Address, City or Town | Menlo Park |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94025 |
| City Area Code | (650) |
| Local Phone Number | 549-9145 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Class A ordinary shares, $0.0001 par value |
| Trading Symbol | AGCB |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
